CN221336237U - Online punching multi-die punching positioning device for door frame - Google Patents

Abstract

The utility model relates to the technical field of door frame processing, and provides an online punching multi-die punching positioning device for a door frame, which comprises: the mounting bracket, a plurality of driving rollers are installed through the bearing to the one end of mounting bracket, and is a plurality of every two driving rollers divide into a set of, and the multiunit the surface of driving roller is all rotated and is installed the conveyer belt, still includes: the first motor is fixedly arranged at one end, close to the plurality of driving rollers, of the mounting frame, and one end, close to the first motor, of the mounting frame is provided with a driving rotating shaft through a bearing; when the utility model is used, the plurality of moving blocks drive the limiting rods arranged on one end bearings to perform relative movement during relative movement, so that the effect that the limiting rods clamp and limit the left side and the right side of the door frame is achieved, the door frame is prevented from being shifted in the process of conveying and feeding, and when the output end of the motor II rotates anticlockwise, the plurality of limiting rods perform opposite movement, so that the door frame with different sizes is suitable for the door frame.

Description

Online punching multi-die punching positioning device for door frame

Technical Field

The utility model relates to the technical field of door frame processing, in particular to an on-line punching multi-die punching positioning device for a door frame.

Background

The door frame needs to be punched in the process of processing production, and multiple dies need to be used for punching according to different hole shapes, so that the door frame needs to be positioned in the process of punching, and the success rate of punching the door frame is improved.

In the prior art, for example, the Chinese patent number is: the utility model discloses an on-line punching multi-die punching positioning device for a door frame, which comprises a mounting seat, a plurality of lower dies, a plurality of upper dies which are in one-to-one correspondence with the lower dies and a plurality of hydraulic cylinders for driving the plurality of upper dies to punch, wherein the hydraulic cylinders are in one-to-one correspondence with the upper dies, and under the arrangement of a first photoelectric sensor, a second photoelectric sensor, a mounting positioning plate, a mounting positioning strip-shaped hole and a traction unit, the multi-die automatic punching is realized, so that punching equipment can form all holes to be processed at one time, meanwhile, the automatic conveying of materials is realized, the labor cost is saved, the production efficiency is greatly improved, the automatic traction of the materials is realized under the arrangement of the traction device, the feeding and discharging of personnel are not required, the labor cost is saved, the production efficiency is improved, and the constant-pressure assembly is arranged, so that a driven feeding roller tightly compresses the materials, the constant traction force is always ensured, the occurrence of the slipping condition of the materials is avoided, and the processing precision is ensured.

However, the above technique has the following disadvantages in use: when the door frame is moved by the conveying structure, the door frame is clamped through the upper side and the lower side, so that the stability of the door frame is kept, but the left side and the right side of the door frame are still provided with space, and certain shaking can occur when the conveying structure works, so that the stability of the door frame is general when the door frame is conveyed, the door frame is offset, and in addition, the position of the door frame is identified through the sensor when the door frame is punched, and then the punching position of the door frame is positioned, but the number of the sensors is large, so that the cost is not reduced.

Disclosure of utility model

The utility model aims to solve the problems that in the prior art, when a door frame is moved by a conveying structure, the door frame is clamped through the upper side and the lower side, so that the stability of the door frame is kept, but the left side and the right side of the door frame are still provided with space, and the conveying structure can shake to a certain extent during operation, so that the stability of the door frame is common during conveying and has the condition of deviation.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a door frame online punching multi-die punching positioning device, comprising: the mounting bracket, a plurality of driving rollers are installed through the bearing to the one end of mounting bracket, and is a plurality of every two driving rollers divide into a set of, and the multiunit the surface of driving roller is all rotated and is installed the conveyer belt, still includes:

The first motor is fixedly arranged at one end, close to the plurality of driving rollers, of the mounting frame, and one end, close to the first motor, of the mounting frame is provided with a driving rotating shaft through a bearing;

The plurality of groups of limiting rods are respectively and slidably arranged at one end, close to the plurality of conveying belts, of the mounting frame, and moving blocks are arranged at one ends, close to the plurality of driving rollers, of the plurality of groups of limiting rods through bearings;

The two-way threaded rods are respectively arranged at one end of the mounting frame, which is close to the plurality of groups of moving blocks, through bearings, and worm gears are fixedly sleeved at one ends of the two-way threaded rods;

And the worms are respectively meshed with the outer surfaces of the worm gears.

Preferably, a plurality of the worm is kept away from the both ends of a plurality of worm wheels and is all installed in the one end of mounting bracket through the bearing, the output of motor one runs through the one end of mounting bracket with axle center fixed connection with initiative pivot, and wherein a plurality of driving roller, initiative pivot run through the one end of mounting bracket and all fixed cover is equipped with the belt pulley, and a plurality of every two belt pulleys divide into a set of, and the multiunit the surface of belt pulley is all rotated and is installed driving belt, the one end fixed mounting that the mounting bracket is close to a plurality of worm has motor two, the output of motor two runs through the one end of mounting bracket with axle center fixed connection with one of them worm.

Preferably, a plurality of opposite ends of the worm are all fixedly connected with dwang with the heart, and the multiunit the gag lever post is kept away from the equal slidable mounting of one end of movable block and is had the connecting block, and a plurality of every two of connecting block divide into a set of, multiunit the equal slidable mounting of surface of connecting block has the mounting panel, the one end fixed mounting that the mounting bracket is close to multiunit gag lever post has a plurality of pneumatic cylinders.

Preferably, the output end of the hydraulic cylinder is fixedly connected with one end of the mounting plate, which is far away from the connecting block, the mounting plate is close to the hydraulic cylinder, the mounting plate is fixedly provided with a plurality of upper dies, the mounting frame is close to one end of the upper dies, the mounting frame is fixedly provided with a plurality of lower dies, and the lower dies are respectively matched with the positions of the upper dies.

Preferably, the rack board is kept away from the one end fixed mounting of lower mould to the mounting bracket, the surface meshing of rack board is connected with the gear one, the one end slidable mounting that the mounting bracket is close to the rack board has the sliding block.

Preferably, one end of the sliding block, which is close to the first gear, is fixedly provided with a third motor, the output end of the third motor is fixedly connected with the inner ring of the first gear, and the inner surface of the sliding block is slidably provided with a positioning frame.

Preferably, one end of the sliding block, which is close to the third motor, is fixedly provided with a fourth motor, an output end of the fourth motor is fixedly sleeved with a second gear, and an inner thread block is connected to the outer surface of the second gear in a meshed mode.

Preferably, the internal surface threaded connection of internal thread piece has the dead lever, the both ends that the dead lever kept away from the internal thread piece are all through fixed mounting in the one end of locating rack.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. When the two-stage feeding mechanism is used, the plurality of moving blocks drive the limiting rods arranged on the bearings at one ends of the two moving blocks to perform relative movement, so that the effect that the limiting rods clamp and limit the left side and the right side of the door frame is achieved, the door frame is prevented from being shifted in the process of feeding in a conveying manner, and when the output end of the motor II rotates anticlockwise, the plurality of limiting rods perform opposite movement, so that the two-stage feeding mechanism is beneficial to being suitable for door frames with different sizes.

2. When the positioning frame is used, the motor IV stops working when one side of the positioning frame is in contact with the conveying belt, so that the moving door frame is conveniently blocked, the door frame is positioned, the use of a plurality of sensors is avoided, and cost is saved.

Drawings

FIG. 1 is a schematic perspective view of a door frame on-line punching multi-die punching positioning device;

FIG. 2 is a schematic cross-sectional perspective view of a door frame on-line punching multi-die punching positioning device provided by the utility model;

FIG. 3 is a schematic top perspective view of a door frame on-line punching multi-die punching positioning device provided by the utility model;

FIG. 4 is an enlarged view of the position A of FIG. 2 of the on-line punching and multi-mode punching positioning device for a door frame provided by the utility model;

FIG. 5 is an enlarged view of the B position of FIG. 2 of the on-line punching and multi-mode punching positioning device for the door frame provided by the utility model;

Fig. 6 is an enlarged view of a position C in fig. 3 of the on-line punching and multi-mode punching positioning device for a door frame.

Legend description: 1. a mounting frame; 101. a two-way threaded rod; 102. a moving block; 103. a worm; 1031. a rotating lever; 104. a second motor; 105. a worm wheel; 106. a hydraulic cylinder; 107. a mounting plate; 108. rack plate; 109. a sliding block; 110. a positioning frame; 111. an internal thread block; 112. a fixed rod; 113. a fourth motor; 114. a second gear; 115. a third motor; 116. a first gear; 2. a driving roller; 201. a conveyor belt; 3. a belt pulley; 4. a drive belt; 5. a first motor; 6. a driving rotating shaft; 7. a lower die; 8. an upper die; 9. a limit rod; 10. and (5) connecting a block.

Description of the embodiments

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Embodiment 1 as shown in fig. 1 to 6, the present utility model provides an on-line punching and multi-mode punching positioning device for a door frame, comprising: the mounting bracket 1, a plurality of driving rollers 2 are installed through the bearing to the one end of mounting bracket 1, and a plurality of driving rollers 2 divide into a set of every two, and conveyer belt 201 is installed in the surface of multiunit driving roller 2 all rotation, still includes:

The first motor 5 is fixedly arranged at one end of the mounting frame 1, which is close to the plurality of driving rollers 2, and one end of the mounting frame 1, which is close to the first motor 5, is provided with a driving rotating shaft 6 through a bearing;

The plurality of groups of limiting rods 9 are respectively and slidably arranged at one end of the mounting frame 1, which is close to the plurality of conveying belts 201, and the moving blocks 102 are respectively arranged at one end of the plurality of groups of limiting rods 9, which is close to the plurality of driving rollers 2, through bearings;

the two-way threaded rods 101 are respectively arranged at one end of the mounting frame 1, which is close to the plurality of groups of moving blocks 102, through bearings, and worm gears 105 are fixedly sleeved at one ends of the two-way threaded rods 101;

The plurality of worms 103 are respectively engaged with the outer surfaces of the plurality of worm gears 105.

In this embodiment, when in use, an external power supply is turned on, a worker places a door frame on the conveyor belt 201, turns on a power supply system of the motor 5, an output end of the motor 5 drives the driving rotary shaft 6 to rotate in the mounting frame 1, the driving rotary shaft 6 drives a belt pulley 3 on one end of the driving rotary shaft to rotate when in rotation, the belt pulley 3 drives a driving belt 4 on the outer surface to rotate when in rotation, the driving belt 4 drives other belt pulleys 3 on the outer surface of the other end to rotate when in rotation, the belt pulley 3 drives a driving roller 2 fixed on the inner ring of the driving belt 3 to rotate when in rotation, the driving roller 2 drives the conveyor belt 201 on the outer surface of the driving roller 2 rotatably mounted on the other end of the driving belt 2 when in rotation, the driving roller 2 drives the belt pulley 3 fixed on one end of the driving belt 3 to rotate when in rotation, the belt pulley 3 drives the transmission belt 4 arranged on the outer surface of the belt pulley to rotate in the same way, thereby achieving the effect of synchronously rotating a plurality of transmission rollers 2 and a plurality of conveying belts 201, facilitating the door frame arranged on the conveying belts 201 to carry out feeding work, opening a power supply system of a motor II 104, controlling the output end of the motor II 104 to drive one fixed worm 103 to rotate clockwise, driving the rotating rod 1031 fixed at the other end to rotate clockwise by the worm 103, driving the other fixed worm 103 to rotate clockwise when the rotating rod 1031 rotates, driving the other rotating rod 1031 and the other worm 103 to rotate clockwise in the same way, driving a plurality of worm gears 105 and a plurality of bidirectional threaded rods 101 fixed at the inner rings of the worm gears 105 to rotate clockwise when the worm 103 rotates clockwise, the movable blocks 102 with the two ends in threaded connection are in relative movement in the mounting frame 1 when the two-way threaded rods 101 rotate clockwise, the limiting rods 9 mounted on one end bearings of the movable blocks 102 are driven to perform relative movement when the movable blocks 102 perform relative movement, so that the effect that the limiting rods 9 clamp the left side and the right side of a door frame, the clamping limiting effect is achieved, the door frame is prevented from being subjected to position deviation in the middle of feeding in conveying, the two limiting rods 9 drive the connecting blocks 10 in sliding mounting at the other end to perform horizontal relative movement in the mounting plate 107 during relative movement, the connecting blocks 10 cannot be separated from the mounting plate 107, and when the output end of the motor II 104 rotates anticlockwise, the limiting rods 9 perform opposite movement, and the door frames with different sizes are suitable.

In embodiment 2, as shown in fig. 1-6, two ends of a plurality of worms 103 far away from a plurality of worm gears 105 are all installed at one end of a mounting frame 1 through bearings, an output end of a first motor 5 is coaxially and fixedly connected with one end of a driving rotating shaft 6 penetrating through the mounting frame 1, wherein a plurality of driving rollers 2 and one end of the driving rotating shaft 6 penetrating through the mounting frame 1 are fixedly sleeved with belt pulleys 3, each two of the plurality of belt pulleys 3 are divided into one group, the outer surfaces of the plurality of belt pulleys 3 are rotatably provided with driving belts 4, one end of the mounting frame 1 close to the plurality of worms 103 is fixedly provided with a second motor 104, an output end of the second motor 104 is coaxially and fixedly connected with one end of one worm 103 penetrating through the mounting frame 1, opposite ends of the plurality of worms 103 are coaxially and fixedly connected with rotating rods 1031, one end of a plurality of limiting rods 9 far away from a moving block 102 is slidably provided with connecting blocks 10, each two of the plurality of connecting blocks 10 are divided into one group, the outer surfaces of the plurality of groups of connecting blocks 10 are respectively and slidably provided with a mounting plate 107, one end of the mounting frame 1, which is close to the plurality of groups of limiting rods 9, is fixedly provided with a plurality of hydraulic cylinders 106, the output ends of the plurality of hydraulic cylinders 106 are respectively and fixedly connected with one end, which is far away from the connecting blocks 10, of the plurality of mounting plates 107, one end, which is close to the hydraulic cylinders 106, of the plurality of mounting plates 107 is fixedly provided with a plurality of upper dies 8, one end, which is close to the plurality of upper dies 8, of the mounting frame 1 is fixedly provided with a plurality of lower dies 7, the positions of the plurality of lower dies 7 are respectively matched with the positions of the plurality of upper dies 8, one end, which is far away from the lower dies 7, of the mounting frame 1 is fixedly provided with a rack plate 108, the outer surface of the rack plate 108 is in meshed connection with a gear one 116, one end, which is close to the rack plate 108, of the mounting frame 1 is slidably provided with a sliding block 109, one end, which is close to the gear one 116, of the sliding block 109 is fixedly provided with a motor three 115, the output end of the motor three 115 is fixedly connected with the inner ring of the gear one 116, the locating rack 110 is slidably installed on the inner surface of the sliding block 109, the fourth motor 113 is fixedly installed at one end, close to the third motor 115, of the sliding block 109, the second gear 114 is fixedly sleeved at the output end of the fourth motor 113, the inner thread block 111 is connected to the outer surface of the second gear 114 in a meshed mode, the fixing rod 112 is connected to the inner surface of the inner thread block 111 in a threaded mode, and two ends, far away from the inner thread block 111, of the fixing rod 112 are fixedly installed at one end of the locating rack 110.

In this embodiment, when in use, the power supply system of the third motor 115 is turned on, the output end of the third motor 115 is controlled to drive the first gear 116 to rotate clockwise, the first gear 116 is connected with the rack plate 108 in a meshed manner, the rack plate 108 is fixed on the mounting frame 1 and keeps still when the first gear 116 rotates clockwise, the first gear 116 is fixed at the output end of the third motor 115, the third motor 115 is fixed on the sliding block 109, the sliding block 109 is slidably mounted with one end of the mounting frame 1, so as to move on the rack plate 108 towards the door frame motor one 5 when the first gear 116 is driven to move, the first gear 116 drives the third motor 115 to move when moving, the third motor 115 drives the sliding block 109 to slide horizontally and transversely in the mounting frame 1, the sliding block 109 cannot be separated from the mounting frame 1, when the output end of the third motor 115 rotates anticlockwise, the first gear 116 rotates anticlockwise to drive the third motor 115 and the sliding block 109 away from the first motor 5, thereby being convenient for adjusting the position of the sliding block 109 on the mounting frame 1, after the sliding block 109 reaches the preset position, the power supply system of the motor IV 113 is opened, the output end of the motor IV 113 is controlled to drive the gear II 114 to rotate clockwise, the gear II 114 drives the internal thread block 111 which is meshed with the gear II to rotate anticlockwise when rotating clockwise, the internal thread block 111 drives the fixing rod 112 which is connected with the internal thread block in a threaded manner to move towards the conveying belt 201 when rotating anticlockwise, the fixing rod 112 drives the positioning frames 110 at the two ends of the fixing rod 112 to slide towards the conveying belt 201 in the sliding block 109 when moving, when one side of the positioning frame 110 is contacted with the conveying belt 201, the motor IV 113 stops working, thereby being convenient for blocking the moving door frame, thereby positioning the door frame, being beneficial to avoiding the use of a plurality of inductors and saving the cost, at this time, the worker controls the corresponding hydraulic cylinder 106 above the door frame to work, the output end of the hydraulic cylinder 106 drives the mounting plate 107 to move towards the door frame on the conveying belt 201, the connecting block 10 in the mounting plate 107 slides towards the door frame on the outer surface of the limiting rod 9, the mounting plate 107 drives the upper die 8 with one fixed end to move towards the door frame, the lower die 7 at the other side of the door frame is matched with the position of the upper die 8, and the online punching work of the door frame is facilitated.

Working principle: when in use, an external power supply is connected, a worker places a door frame on the conveying belt 201, a power supply system of the motor I5 is turned on, the output end of the motor I5 drives the driving rotary shaft 6 to rotate in the mounting frame 1, the driving rotary shaft 6 drives a belt pulley 3 on one end of the driving rotary shaft to rotate when rotating, the belt pulley 3 drives a driving belt 4 on the outer surface to rotate when rotating, the driving belt 4 drives other belt pulleys 3 on the outer surface of the other end to rotate when rotating, the belt pulley 3 drives a driving roller 2 fixed on the inner ring of the driving belt 3 to rotate when rotating, the driving roller 2 drives the conveying belt 201 on the outer surface of the driving roller to rotate when rotating, The conveyer belt 201 drives the driving roller 2 arranged at the other end to rotate, the driving roller 2 drives the belt pulley 3 fixed at one end to rotate when rotating, and the belt pulley 3 drives the driving belt 4 arranged at the outer surface to rotate, thereby achieving the synchronous rotation effect of a plurality of driving rollers 2 and a plurality of conveyer belts 201, facilitating the feeding and feeding work of the door frame arranged on the conveyer belt 201, opening the power supply system of the motor II 104, controlling the output end of the motor II 104 to drive one fixed worm 103 to rotate clockwise, the worm 103 drives the rotating rod 1031 fixed at the other end to rotate clockwise, the rotation bar 1031 drives the other end fixed worm 103 to rotate clockwise when rotating, the other rotation bar 1031 and the other worm 103 rotate clockwise in the same way as the above, the plurality of worm 103 respectively drive the plurality of worm gears 105 and the plurality of bidirectional threaded rods 101 fixed on the inner rings of the plurality of worm gears 105 to rotate clockwise when rotating clockwise, the plurality of bidirectional threaded rods 101 move relatively in the mounting frame 1 with the moving blocks 102 connected with the two ends of the moving blocks in threaded manner when rotating clockwise, the plurality of moving blocks 102 move relatively to drive the limit bar 9 arranged on one end bearing of the moving blocks, thereby achieving the effect that the limit bar 9 clamps and limits the left side and the right side of the door frame, The door frame is favorable for preventing the door frame from shifting in the feeding process, the two limiting rods 9 drive the connecting block 10 which is slidably arranged at the other end to horizontally and relatively move in the mounting plate 107 during the relative movement, the connecting block 10 cannot be separated from the mounting plate 107, when the output end of the motor II 104 rotates anticlockwise, the limiting rods 9 do opposite movement, the door frame with different sizes is favorable for being suitable for, when the door frame is used, the power supply system of the motor III 115 is opened, the output end of the motor III 115 is controlled to drive the gear I116 to rotate clockwise, the gear I116 is meshed with the rack plate 108, the rack plate 108 is fixed on the mounting frame 1 and keeps still when the gear I116 rotates clockwise, The first gear 116 is fixed at the output end of the third motor 115, the third motor 115 is fixed on the sliding block 109, the sliding block 109 is slidably mounted with one end of the mounting frame 1, so that the first gear 116 can conveniently move towards the first door frame motor 5 on the rack plate 108 when in transmission, the first gear 116 drives the third motor 115 to move when moving, the third motor 115 drives the sliding block 109 to horizontally and transversely slide in the mounting frame 1, the sliding block 109 cannot be separated from the mounting frame 1, when the output end of the third motor 115 rotates anticlockwise, the first gear 116 rotates anticlockwise to drive the third motor 115 and the sliding block 109 to be far away from the first motor 5, Thereby being convenient for adjusting the position of the sliding block 109 on the mounting frame 1, after the sliding block 109 reaches the preset position, the power supply system of the motor IV 113 is turned on, the output end of the motor IV 113 is controlled to drive the gear II 114 to rotate clockwise, the gear II 114 drives the internal thread block 111 which is meshed with the gear II to rotate anticlockwise when rotating clockwise, the internal thread block 111 drives the fixing rod 112 which is connected with the internal thread block in a threaded manner to move towards the conveying belt 201 when rotating anticlockwise, the fixing rod 112 drives the positioning frames 110 at the two ends of the fixing rod 112 to slide towards the conveying belt 201 in the sliding block 109 when moving, and when one side of the positioning frame 110 is contacted with the conveying belt 201, The motor IV 113 stops working, which is convenient for blocking the moving door frame, thereby positioning the door frame, being beneficial to avoiding using a plurality of inductors, being beneficial to saving cost, at the moment, the staff controls the corresponding hydraulic cylinder 106 above the door frame to work, the output end of the hydraulic cylinder 106 drives the mounting plate 107 to move towards the door frame direction on the conveyer belt 201, the connecting block 10 in the mounting plate 107 slides towards the door frame direction on the outer surface of the limiting rod 9, the mounting plate 107 drives the upper die 8 with one fixed end to move towards the door frame, the lower die 7 at the other side of the door frame is matched with the position of the upper die 8, thereby being convenient for carrying out on-line punching work on the door frame, The model of the motor I5 is BT03-M08, the model of the motor II 104 is HG-KN13J, the model of the motor III 115 is YD-225216, and the model of the motor IV 113 is 40ZFHA1-0D05DQN (Y) M-SV.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (8)

1. The utility model provides a door frame punches a hole multimode positioner that punches a hole on line, includes mounting bracket (1), a plurality of driving rollers (2) are installed through the bearing to the one end of mounting bracket (1), and is a plurality of every two of driving roller (2) divide into a set of, multiunit the surface of driving roller (2) is all rotated and is installed conveyer belt (201), its characterized in that still includes:

the first motor (5) is fixedly arranged at one end, close to the plurality of driving rollers (2), of the mounting frame (1), and one end, close to the first motor (5), of the mounting frame (1) is provided with a driving rotating shaft (6) through a bearing;

The multiple groups of limiting rods (9) are respectively and slidably arranged at one end, close to the conveying belts (201), of the mounting frame (1), and the moving blocks (102) are arranged at one end, close to the driving rollers (2), of the limiting rods (9) through bearings;

The two-way threaded rods (101) are respectively arranged at one end, close to the plurality of groups of moving blocks (102), of the mounting frame (1) through bearings, and worm gears (105) are fixedly sleeved at one end of each of the two-way threaded rods (101);

And a plurality of worms (103) which are respectively engaged with the outer surfaces of the worm wheels (105).

2. The door frame on-line punching multi-die punching positioning device according to claim 1, wherein: the worm wheel type motor is characterized in that a plurality of worm wheels (103) are far away from two ends of the worm wheels (105) and are arranged at one end of the mounting frame (1) through bearings, the output end of the motor I (5) and the driving rotating shaft (6) penetrate through one end of the mounting frame (1) and are fixedly connected with each other in a coaxial mode, a plurality of driving rollers (2) and one end of the driving rotating shaft (6) penetrating through the mounting frame (1) are fixedly sleeved with belt pulleys (3), the belt pulleys (3) are divided into a group by two, a plurality of groups of belt pulleys (3) are respectively rotatably arranged on the outer surfaces of the belt pulleys (3), a motor II (104) is fixedly arranged at one end, close to the worm wheels (103), of the mounting frame (1), and the output end of the motor II (104) and one end, penetrating through the mounting frame (1), of one worm (103) are fixedly connected in a coaxial mode.

3. The door frame on-line punching multi-die punching positioning device according to claim 2, wherein: the utility model discloses a movable block, including worm (103) and mounting bracket (1), a plurality of relative one end of worm (103) is equal coaxial fixedly connected with dwang (1031), multiunit gag lever post (9) keep away from the equal slidable mounting of one end of movable block (102) has connecting block (10), a plurality of every two of connecting block (10) divide into a set of, multiunit the surface of connecting block (10) is equal slidable mounting has mounting panel (107), one end fixed mounting that mounting bracket (1) is close to multiunit gag lever post (9) has a plurality of pneumatic cylinders (106).

4. A door frame on-line punching multi-die punching positioning device as defined in claim 3, wherein: the output ends of the hydraulic cylinders (106) are fixedly connected with one ends, far away from the connecting blocks (10), of the mounting plates (107), a plurality of upper dies (8) are fixedly mounted at one ends, close to the hydraulic cylinders (106), of the mounting plates (107), a plurality of lower dies (7) are fixedly mounted at one ends, close to the upper dies (8), of the mounting frames (1), and the lower dies (7) are matched with the positions of the upper dies (8) respectively.

5. The on-line punching and multi-die punching positioning device for the door frame according to claim 4, wherein: one end of the mounting frame (1) far away from the lower die (7) is fixedly provided with a rack plate (108), the outer surface of the rack plate (108) is connected with a first gear (116) in a meshed mode, and one end of the mounting frame (1) close to the rack plate (108) is provided with a sliding block (109) in a sliding mode.

6. The on-line punching and multi-die punching positioning device for the door frame according to claim 5, wherein: one end of the sliding block (109) close to the first gear (116) is fixedly provided with a third motor (115), the output end of the third motor (115) is fixedly connected with the inner ring of the first gear (116), and the inner surface of the sliding block (109) is slidably provided with a positioning frame (110).

7. The door frame on-line punching and multi-die punching positioning device according to claim 6, wherein: and one end, close to a third motor (115), of the sliding block (109) is fixedly provided with a fourth motor (113), the output end of the fourth motor (113) is fixedly sleeved with a second gear (114), and the outer surface of the second gear (114) is connected with an internal thread block (111) in a meshed manner.

8. The on-line punching and multi-die punching positioning device for door frames according to claim 7, wherein: the inner surface of the internal thread block (111) is in threaded connection with a fixing rod (112), and two ends of the fixing rod (112) far away from the internal thread block (111) are fixedly arranged at one end of the locating frame (110).